Letters from a Self-Made Merchant to His Son Being the Letters written by John Graham, Head of the House of Graham & Company, Pork-Packers in Chicago, ... known to his intimates as "Piggy."

by George Horace Lorimer

It’s not what a man does during working-hours, but after them, that breaks down his health. A fellow and his business should be bosom friends in the office and sworn enemies out of it. A clear mind is one that is swept clean of business at six o’clock every night and isn’t opened up for it again until after the shutters are taken down next morning.